13
MANUAL - UG7500W SERIES SPRAY GUN CLEANERS
REVISED 2020-10
PROBLEM
REASON
CORRECTIVE ACTION
Trigger not locked in open
position
Use trigger lock Spring (pn 120-350)
Spray gun is not properly
installed on nozzle
Reinstall with proper adapter.
Solventborne: incompatible
solvent
Waterborne: replace water
AQUA-KLEEN mixture
Solventborne: use compatible solvent
Waterborne: replace water AQUA-KLEEN
mixture
Plugged jets
Clean the jets or replace the jets.
Water in solvent is corroding
the metal pail.
Replace or recycle wash solvent. Use a
HDPE pail approved for use with solvent.
DEPRESSING CLEAN RINSE
BUTTON DOES NOT PROVIDE
CLEAN RINSE LIQUID
Rinse Pump is leaking.
Replace the rinse pump, PN URP-100SF
CLEAN RINSE IS DIRTY
Replace Combination Valve, PN UVB-
400KIT.
INSIDE WALL OF TANK IS
COATED WITH PAINT EVEN
THOUGH OPERATOR
MAINTAINS TANK
SOLVENTBORNE: SOLVENT
APPEARS RED OR ORANGE
Liquid lacks cleaning
strength.
Solventborne: Replace solvent and/ or
consider better quality solvent.
Waterborne: replace water and AQUA-
KLEEN mixture.
GUNS NOT CLEAN, PUMP
WORKING, LIQUID FLOW IS
NORMAL